- Number 452 |
- November 16, 2015
A synthetic muscle experiment on board the International Space Station (ISS) that was developed with the help of Princeton Plasma Physicists Laboratory scientists is now tentatively scheduled to return to earth in March of 2016 on a new SpaceX-10 rocket. It would be returning eight months later than originally planned after an unmanned SpaceX Falcon 9 rocket headed for the ISS exploded a few minutes after liftoff in late June.
The rocket, carrying the Dragon capsule with 4,000 pounds of foods and supplies, was on its seventh resupply flight to the ISS. It was the third loss of a rocket bound for the ISS in the past year. In April, a Russian resupply ship exploded and in October an Orbital Sciences Corp. Antares rocket carrying a Cygnus cargo craft exploded shortly after liftoff.
Researchers at DOE's Savannah River National Laboratory are collaborating with scientists in Japan to help find ways to remediate environmental areas contaminated by the Fukushima disaster. As part of this effort, they also hope to learn more about how radionuclides migrate through the environment to improve our ability to more accurately predict risk associated by radiological releases. The three-year joint project will focus primarily on the movement of plutonium and radioiodine.
“The Fukushima area provides a rare real-life glimpse of how radionuclides move through the environment. We intend to learn as much as possible from this tragic accident so that the U.S. and the international community are better prepared to deal with such accidents,” explained SRNL Senior Fellow Dr. Daniel Kaplan. “This research will help predict the risk associated with accidental radionuclide releases and will provide direction for long-term remediation or stewardship of contaminated environments.”
When it comes to lighting, LEDs – light-emitting diodes – grab the headlines for energy efficiency and longevity. But for other applications where the light needed falls near the invisible part of the spectrum, a different type of diode may provide the solution. DOE's Ames Laboratory has developed a near ultra-violet and all-organic light emitting diode (OLED) that can be used as an on-chip photosensor.
It’s a first in a rather specialized field of research to capture and manipulate light near the invisible end of the spectrum, around 400 nm in wavelength.
“The real pie in the sky goal is a tiny chip that is a whole spectrometer, so it can measure the absorption or luminescence spectrum of anything that can absorb or emit light. This is a step in that direction,” said Ames Laboratory scientist Joseph Shinar.